| West Mifflin to Noventa Vicentina | 4,385.31 mi (7,057.48 km) |
| West Mifflin to Novi di Modena | 4,373.12 mi (7,037.86 km) |
| West Mifflin to Novi Ligure | 4,288.99 mi (6,902.46 km) |
| West Mifflin to Nuoro | 4,473.30 mi (7,199.08 km) |
| West Mifflin to Occhiobello | 4,400.44 mi (7,081.82 km) |
| West Mifflin to Oderzo | 4,406.69 mi (7,091.87 km) |
| West Mifflin to Oggiono | 4,276.92 mi (6,883.04 km) |
| West Mifflin to Olbia | 4,458.39 mi (7,175.08 km) |
| West Mifflin to Oleggio | 4,253.36 mi (6,845.11 km) |
| West Mifflin to Olgiate Comasco | 4,260.95 mi (6,857.34 km) |
| West Mifflin to Olgiate Olona | 4,262.66 mi (6,860.10 km) |
| West Mifflin to Omegna | 4,234.32 mi (6,814.49 km) |
| West Mifflin to Opera | 4,285.31 mi (6,896.54 km) |
| West Mifflin to Oppeano | 4,370.21 mi (7,033.17 km) |
| West Mifflin to Orbassano | 4,227.49 mi (6,803.49 km) |
