| Munhall to Oerlinghausen | 4,043.54 mi (6,507.44 km) |
| Munhall to Oestrich-Winkel | 4,079.65 mi (6,565.56 km) |
| Munhall to Offenburg | 4,126.43 mi (6,640.85 km) |
| Munhall to Oftersheim | 4,123.04 mi (6,635.39 km) |
| Munhall to Ohrdruf | 4,158.96 mi (6,693.20 km) |
| Munhall to Ohringen | 4,164.93 mi (6,702.81 km) |
| Munhall to Olbernhau | 4,263.43 mi (6,861.33 km) |
| Munhall to Olching | 4,271.05 mi (6,873.59 km) |
| Munhall to Oldenburg | 3,990.43 mi (6,421.98 km) |
| Munhall to Oldenburg in Holstein | 4,052.72 mi (6,522.23 km) |
| Munhall to Olfen | 4,002.18 mi (6,440.89 km) |
| Munhall to Olpe | 4,041.11 mi (6,503.54 km) |
| Munhall to Olsberg | 4,055.80 mi (6,527.18 km) |
| Munhall to Oranienburg | 4,188.26 mi (6,740.36 km) |
| Munhall to Ortenberg | 4,109.60 mi (6,613.76 km) |
