| Colchester to Oerlinghausen | 330.66 mi (532.14 km) |
| Colchester to Oestrich-Winkel | 335.28 mi (539.58 km) |
| Colchester to Offenburg | 390.56 mi (628.55 km) |
| Colchester to Oftersheim | 378.79 mi (609.61 km) |
| Colchester to Ohrdruf | 430.07 mi (692.13 km) |
| Colchester to Ohringen | 420.43 mi (676.62 km) |
| Colchester to Olbernhau | 543.17 mi (874.14 km) |
| Colchester to Olching | 527.09 mi (848.27 km) |
| Colchester to Oldenburg | 319.16 mi (513.64 km) |
| Colchester to Oldenburg in Holstein | 445.77 mi (717.39 km) |
| Colchester to Olfen | 277.04 mi (445.85 km) |
| Colchester to Olpe | 304.32 mi (489.76 km) |
| Colchester to Olsberg | 327.17 mi (526.53 km) |
| Colchester to Oranienburg | 523.61 mi (842.67 km) |
| Colchester to Ortenberg | 368.88 mi (593.66 km) |
