| Donostia to Oschatz | 893.51 mi (1,437.97 km) |
| Donostia to Oschersleben | 857.74 mi (1,380.40 km) |
| Donostia to Osnabruck | 773.21 mi (1,244.37 km) |
| Donostia to Ostbevern | 754.78 mi (1,214.70 km) |
| Donostia to Osterburg | 908.42 mi (1,461.97 km) |
| Donostia to Ostercappeln | 781.77 mi (1,258.13 km) |
| Donostia to Osterhofen | 808.24 mi (1,300.73 km) |
| Donostia to Osterholz-Scharmbeck | 842.65 mi (1,356.11 km) |
| Donostia to Osternienburg | 874.33 mi (1,407.10 km) |
| Donostia to Osterode | 812.34 mi (1,307.34 km) |
| Donostia to Osterwieck | 838.10 mi (1,348.80 km) |
| Donostia to Ostfildern | 654.78 mi (1,053.77 km) |
| Donostia to Osthofen | 658.52 mi (1,059.78 km) |
| Donostia to Ostrhauderfehn | 806.75 mi (1,298.33 km) |
| Donostia to Ostringen | 652.29 mi (1,049.77 km) |
