| Ukmerge to Oerlinghausen | 695.36 mi (1,119.07 km) |
| Ukmerge to Oestrich-Winkel | 787.89 mi (1,267.99 km) |
| Ukmerge to Offenburg | 853.71 mi (1,373.91 km) |
| Ukmerge to Oftersheim | 791.78 mi (1,274.25 km) |
| Ukmerge to Ohrdruf | 655.98 mi (1,055.70 km) |
| Ukmerge to Ohringen | 766.47 mi (1,233.51 km) |
| Ukmerge to Olbernhau | 569.96 mi (917.25 km) |
| Ukmerge to Olching | 751.30 mi (1,209.11 km) |
| Ukmerge to Oldenburg | 682.30 mi (1,098.05 km) |
| Ukmerge to Oldenburg in Holstein | 555.56 mi (894.09 km) |
| Ukmerge to Olfen | 752.23 mi (1,210.61 km) |
| Ukmerge to Olpe | 757.36 mi (1,218.85 km) |
| Ukmerge to Olsberg | 721.60 mi (1,161.30 km) |
| Ukmerge to Oranienburg | 497.61 mi (800.83 km) |
| Ukmerge to Ortenberg | 735.40 mi (1,183.51 km) |
