| East Providence to Oerlinghausen | 3,647.98 mi (5,870.86 km) |
| East Providence to Oestrich-Winkel | 3,675.12 mi (5,914.54 km) |
| East Providence to Offenburg | 3,715.97 mi (5,980.28 km) |
| East Providence to Oftersheim | 3,716.78 mi (5,981.57 km) |
| East Providence to Ohrdruf | 3,761.23 mi (6,053.12 km) |
| East Providence to Ohringen | 3,759.16 mi (6,049.78 km) |
| East Providence to Olbernhau | 3,868.55 mi (6,225.83 km) |
| East Providence to Olching | 3,863.90 mi (6,218.35 km) |
| East Providence to Oldenburg | 3,599.55 mi (5,792.92 km) |
| East Providence to Oldenburg in Holstein | 3,670.53 mi (5,907.15 km) |
| East Providence to Olfen | 3,603.99 mi (5,800.06 km) |
| East Providence to Olpe | 3,640.51 mi (5,858.83 km) |
| East Providence to Olsberg | 3,657.38 mi (5,885.99 km) |
| East Providence to Oranienburg | 3,802.11 mi (6,118.90 km) |
| East Providence to Ortenberg | 3,707.80 mi (5,967.12 km) |
