| Swansea to Oschatz | 4,694.09 mi (7,554.40 km) |
| Swansea to Oschersleben | 4,600.42 mi (7,403.66 km) |
| Swansea to Osnabruck | 4,475.82 mi (7,203.14 km) |
| Swansea to Ostbevern | 4,477.14 mi (7,205.26 km) |
| Swansea to Osterburg | 4,589.53 mi (7,386.13 km) |
| Swansea to Ostercappeln | 4,480.06 mi (7,209.96 km) |
| Swansea to Osterhofen | 4,794.20 mi (7,715.51 km) |
| Swansea to Osterholz-Scharmbeck | 4,469.26 mi (7,192.58 km) |
| Swansea to Osternienburg | 4,635.93 mi (7,460.80 km) |
| Swansea to Osterode | 4,575.58 mi (7,363.68 km) |
| Swansea to Osterwieck | 4,583.30 mi (7,376.12 km) |
| Swansea to Ostfildern | 4,651.10 mi (7,485.23 km) |
| Swansea to Osthofen | 4,579.71 mi (7,370.34 km) |
| Swansea to Ostrhauderfehn | 4,430.74 mi (7,130.59 km) |
| Swansea to Ostringen | 4,612.31 mi (7,422.80 km) |
