| Llantwit Major to Glen Carbon (Illinois) | 4,058.49 mi (6,531.50 km) |
| Llantwit Major to Glen Cove (New York) | 3,303.41 mi (5,316.32 km) |
| Llantwit Major to Glen Ellyn (Illinois) | 3,839.29 mi (6,178.74 km) |
| Llantwit Major to Glen Rock (New Jersey) | 3,320.16 mi (5,343.28 km) |
| Llantwit Major to Glendale (Arizona) | 5,155.89 mi (8,297.61 km) |
| Llantwit Major to Glendale (California) | 5,328.56 mi (8,575.48 km) |
| Llantwit Major to Glendale (Wisconsin) | 3,777.10 mi (6,078.65 km) |
| Llantwit Major to Glendale Heights (Illinois) | 3,837.49 mi (6,175.84 km) |
| Llantwit Major to Glendora (California) | 5,317.32 mi (8,557.40 km) |
| Llantwit Major to Glenmont (Maryland) | 3,522.45 mi (5,668.84 km) |
| Llantwit Major to Glenn Dale (Maryland) | 3,516.23 mi (5,658.83 km) |
| Llantwit Major to Glenn Heights (Texas) | 4,634.41 mi (7,458.37 km) |
| Llantwit Major to Glenpool (Oklahoma) | 4,430.00 mi (7,129.40 km) |
| Llantwit Major to Glens Falls (New York) | 3,203.27 mi (5,155.16 km) |
| Llantwit Major to Glenvar Heights (Florida) | 4,294.81 mi (6,911.83 km) |
