| Gretna to Oschatz | 5,153.45 mi (8,293.67 km) |
| Gretna to Oschersleben | 5,059.91 mi (8,143.14 km) |
| Gretna to Osnabruck | 4,930.10 mi (7,934.22 km) |
| Gretna to Ostbevern | 4,929.41 mi (7,933.11 km) |
| Gretna to Osterburg | 5,054.79 mi (8,134.89 km) |
| Gretna to Ostercappeln | 4,935.15 mi (7,942.35 km) |
| Gretna to Osterhofen | 5,237.56 mi (8,429.03 km) |
| Gretna to Osterholz-Scharmbeck | 4,931.01 mi (7,935.70 km) |
| Gretna to Osternienburg | 5,095.81 mi (8,200.91 km) |
| Gretna to Osterode | 5,031.09 mi (8,096.75 km) |
| Gretna to Osterwieck | 5,041.32 mi (8,113.21 km) |
| Gretna to Ostfildern | 5,085.04 mi (8,183.59 km) |
| Gretna to Osthofen | 5,017.82 mi (8,075.40 km) |
| Gretna to Ostrhauderfehn | 4,889.48 mi (7,868.85 km) |
| Gretna to Ostringen | 5,048.12 mi (8,124.16 km) |
