| Manassas to Noventa Vicentina | 4,352.08 mi (7,003.99 km) |
| Manassas to Novi di Modena | 4,338.05 mi (6,981.42 km) |
| Manassas to Novi Ligure | 4,251.11 mi (6,841.50 km) |
| Manassas to Nuoro | 4,423.70 mi (7,119.25 km) |
| Manassas to Occhiobello | 4,366.24 mi (7,026.79 km) |
| Manassas to Oderzo | 4,375.97 mi (7,042.44 km) |
| Manassas to Oggiono | 4,242.64 mi (6,827.86 km) |
| Manassas to Olbia | 4,410.62 mi (7,098.20 km) |
| Manassas to Oleggio | 4,217.74 mi (6,787.79 km) |
| Manassas to Olgiate Comasco | 4,226.24 mi (6,801.48 km) |
| Manassas to Olgiate Olona | 4,227.42 mi (6,803.38 km) |
| Manassas to Omegna | 4,199.27 mi (6,758.07 km) |
| Manassas to Opera | 4,249.72 mi (6,839.26 km) |
| Manassas to Oppeano | 4,336.62 mi (6,979.11 km) |
| Manassas to Orbassano | 4,188.93 mi (6,741.43 km) |
