| Middleburg to Oerlinghausen | 4,636.10 mi (7,461.08 km) |
| Middleburg to Oestrich-Winkel | 4,655.74 mi (7,492.69 km) |
| Middleburg to Offenburg | 4,690.21 mi (7,548.16 km) |
| Middleburg to Oftersheim | 4,695.53 mi (7,556.73 km) |
| Middleburg to Ohrdruf | 4,747.39 mi (7,640.19 km) |
| Middleburg to Ohringen | 4,738.25 mi (7,625.47 km) |
| Middleburg to Olbernhau | 4,856.52 mi (7,815.82 km) |
| Middleburg to Olching | 4,841.17 mi (7,791.11 km) |
| Middleburg to Oldenburg | 4,590.87 mi (7,388.29 km) |
| Middleburg to Oldenburg in Holstein | 4,666.21 mi (7,509.54 km) |
| Middleburg to Olfen | 4,590.29 mi (7,387.36 km) |
| Middleburg to Olpe | 4,624.75 mi (7,442.81 km) |
| Middleburg to Olsberg | 4,643.34 mi (7,472.73 km) |
| Middleburg to Oranienburg | 4,795.62 mi (7,717.81 km) |
| Middleburg to Ortenberg | 4,690.78 mi (7,549.09 km) |
