| Reston to Noventa Vicentina | 4,337.68 mi (6,980.82 km) |
| Reston to Novi di Modena | 4,323.73 mi (6,958.37 km) |
| Reston to Novi Ligure | 4,236.89 mi (6,818.62 km) |
| Reston to Nuoro | 4,410.02 mi (7,097.24 km) |
| Reston to Occhiobello | 4,351.88 mi (7,003.68 km) |
| Reston to Oderzo | 4,361.47 mi (7,019.11 km) |
| Reston to Oggiono | 4,228.27 mi (6,804.75 km) |
| Reston to Olbia | 4,396.85 mi (7,076.04 km) |
| Reston to Oleggio | 4,203.43 mi (6,764.76 km) |
| Reston to Olgiate Comasco | 4,211.89 mi (6,778.39 km) |
| Reston to Olgiate Olona | 4,213.10 mi (6,780.33 km) |
| Reston to Omegna | 4,184.94 mi (6,735.00 km) |
| Reston to Opera | 4,235.41 mi (6,816.23 km) |
| Reston to Oppeano | 4,322.23 mi (6,955.96 km) |
| Reston to Orbassano | 4,174.74 mi (6,718.59 km) |
