| Utrecht to Oerlinghausen | 151.13 mi (243.21 km) |
| Utrecht to Oestrich-Winkel | 190.78 mi (307.03 km) |
| Utrecht to Offenburg | 279.07 mi (449.12 km) |
| Utrecht to Oftersheim | 241.06 mi (387.95 km) |
| Utrecht to Ohrdruf | 256.79 mi (413.27 km) |
| Utrecht to Ohringen | 276.63 mi (445.19 km) |
| Utrecht to Olbernhau | 367.42 mi (591.30 km) |
| Utrecht to Olching | 383.63 mi (617.39 km) |
| Utrecht to Oldenburg | 149.16 mi (240.04 km) |
| Utrecht to Oldenburg in Holstein | 283.49 mi (456.24 km) |
| Utrecht to Olfen | 99.89 mi (160.76 km) |
| Utrecht to Olpe | 138.02 mi (222.12 km) |
| Utrecht to Olsberg | 152.74 mi (245.82 km) |
| Utrecht to Oranienburg | 345.11 mi (555.41 km) |
| Utrecht to Ortenberg | 208.04 mi (334.80 km) |
