| Monroeville to Oerlinghausen | 4,036.65 mi (6,496.36 km) |
| Monroeville to Oestrich-Winkel | 4,072.63 mi (6,554.27 km) |
| Monroeville to Offenburg | 4,119.33 mi (6,629.42 km) |
| Monroeville to Oftersheim | 4,116.00 mi (6,624.06 km) |
| Monroeville to Ohrdruf | 4,152.05 mi (6,682.08 km) |
| Monroeville to Ohringen | 4,157.90 mi (6,691.49 km) |
| Monroeville to Olbernhau | 4,256.57 mi (6,850.28 km) |
| Monroeville to Olching | 4,264.00 mi (6,862.24 km) |
| Monroeville to Oldenburg | 3,983.62 mi (6,411.01 km) |
| Monroeville to Oldenburg in Holstein | 4,046.04 mi (6,511.47 km) |
| Monroeville to Olfen | 3,995.26 mi (6,429.75 km) |
| Monroeville to Olpe | 4,034.15 mi (6,492.34 km) |
| Monroeville to Olsberg | 4,048.87 mi (6,516.03 km) |
| Monroeville to Oranienburg | 4,181.52 mi (6,729.51 km) |
| Monroeville to Ortenberg | 4,102.62 mi (6,602.53 km) |
