| Attleborough to Oerlinghausen | 325.63 mi (524.04 km) |
| Attleborough to Oestrich-Winkel | 348.18 mi (560.34 km) |
| Attleborough to Offenburg | 412.86 mi (664.44 km) |
| Attleborough to Oftersheim | 394.37 mi (634.68 km) |
| Attleborough to Ohrdruf | 431.90 mi (695.08 km) |
| Attleborough to Ohringen | 434.76 mi (699.68 km) |
| Attleborough to Olbernhau | 543.10 mi (874.03 km) |
| Attleborough to Olching | 542.41 mi (872.92 km) |
| Attleborough to Oldenburg | 303.30 mi (488.11 km) |
| Attleborough to Oldenburg in Holstein | 424.10 mi (682.52 km) |
| Attleborough to Olfen | 275.53 mi (443.42 km) |
| Attleborough to Olpe | 309.14 mi (497.51 km) |
| Attleborough to Olsberg | 327.89 mi (527.70 km) |
| Attleborough to Oranienburg | 511.94 mi (823.89 km) |
| Attleborough to Ortenberg | 376.73 mi (606.29 km) |