| Manassas to Nasaud | 4,799.29 mi (7,723.71 km) |
| Manassas to Navodari | 5,084.23 mi (8,182.28 km) |
| Manassas to Negresti-Oas | 4,738.54 mi (7,625.95 km) |
| Manassas to Nehoiu | 4,951.19 mi (7,968.16 km) |
| Manassas to Ocna Mures | 4,813.97 mi (7,747.34 km) |
| Manassas to Odobesti | 4,963.24 mi (7,987.56 km) |
| Manassas to Odorheiu Secuiesc | 4,872.81 mi (7,842.03 km) |
| Manassas to Oltenita | 5,017.19 mi (8,074.38 km) |
| Manassas to Onesti | 4,931.30 mi (7,936.17 km) |
| Manassas to Oradea | 4,711.65 mi (7,582.67 km) |
| Manassas to Orastie | 4,809.70 mi (7,740.46 km) |
| Manassas to Oravita | 4,781.41 mi (7,694.94 km) |
| Manassas to Orsova | 4,822.41 mi (7,760.92 km) |
| Manassas to Otelu Rosu | 4,789.31 mi (7,707.65 km) |
| Manassas to Otopeni | 4,975.49 mi (8,007.28 km) |
