| Llantwit Major to Nottingham | 145.34 mi (233.91 km) |
| Llantwit Major to Nuneaton | 115.12 mi (185.27 km) |
| Llantwit Major to Oadby | 131.13 mi (211.04 km) |
| Llantwit Major to Oakengates | 99.11 mi (159.50 km) |
| Llantwit Major to Oakham | 145.62 mi (234.35 km) |
| Llantwit Major to Oldbury | 98.10 mi (157.87 km) |
| Llantwit Major to Oldham | 158.40 mi (254.92 km) |
| Llantwit Major to Ollerton | 161.60 mi (260.06 km) |
| Llantwit Major to Olton | 100.69 mi (162.04 km) |
| Llantwit Major to Omagh | 271.13 mi (436.34 km) |
| Llantwit Major to Ormesby | 237.16 mi (381.68 km) |
| Llantwit Major to Ormskirk | 151.30 mi (243.49 km) |
| Llantwit Major to Orpington | 154.08 mi (247.96 km) |
| Llantwit Major to Ossett | 176.12 mi (283.43 km) |
| Llantwit Major to Oswaldtwistle | 167.72 mi (269.92 km) |
