| Ipswich to Oerlinghausen | 319.34 mi (513.92 km) |
| Ipswich to Oestrich-Winkel | 329.52 mi (530.32 km) |
| Ipswich to Offenburg | 388.61 mi (625.41 km) |
| Ipswich to Oftersheim | 374.10 mi (602.06 km) |
| Ipswich to Ohrdruf | 420.79 mi (677.20 km) |
| Ipswich to Ohringen | 415.32 mi (668.39 km) |
| Ipswich to Olbernhau | 533.43 mi (858.47 km) |
| Ipswich to Olching | 522.44 mi (840.78 km) |
| Ipswich to Oldenburg | 305.38 mi (491.47 km) |
| Ipswich to Oldenburg in Holstein | 431.09 mi (693.77 km) |
| Ipswich to Olfen | 266.55 mi (428.97 km) |
| Ipswich to Olpe | 295.76 mi (475.99 km) |
| Ipswich to Olsberg | 317.42 mi (510.84 km) |
| Ipswich to Oranienburg | 510.88 mi (822.18 km) |
| Ipswich to Ortenberg | 361.42 mi (581.65 km) |
