| Loudoun Valley Estates to Noventa Vicentina | 4,343.29 mi (6,989.85 km) |
| Loudoun Valley Estates to Novi di Modena | 4,329.41 mi (6,967.51 km) |
| Loudoun Valley Estates to Novi Ligure | 4,242.69 mi (6,827.94 km) |
| Loudoun Valley Estates to Nuoro | 4,416.27 mi (7,107.30 km) |
| Loudoun Valley Estates to Occhiobello | 4,357.53 mi (7,012.77 km) |
| Loudoun Valley Estates to Oderzo | 4,366.98 mi (7,027.97 km) |
| Loudoun Valley Estates to Oggiono | 4,233.92 mi (6,813.84 km) |
| Loudoun Valley Estates to Olbia | 4,403.03 mi (7,085.99 km) |
| Loudoun Valley Estates to Oleggio | 4,209.13 mi (6,773.94 km) |
| Loudoun Valley Estates to Olgiate Comasco | 4,217.56 mi (6,787.50 km) |
| Loudoun Valley Estates to Olgiate Olona | 4,218.78 mi (6,789.47 km) |
| Loudoun Valley Estates to Omegna | 4,190.61 mi (6,744.14 km) |
| Loudoun Valley Estates to Opera | 4,241.11 mi (6,825.40 km) |
| Loudoun Valley Estates to Oppeano | 4,327.85 mi (6,965.01 km) |
| Loudoun Valley Estates to Orbassano | 4,180.56 mi (6,727.95 km) |
