| Gresham to Noventa Vicentina | 5,564.44 mi (8,955.11 km) |
| Gresham to Novi di Modena | 5,571.70 mi (8,966.78 km) |
| Gresham to Novi Ligure | 5,525.06 mi (8,891.72 km) |
| Gresham to Nuoro | 5,800.07 mi (9,334.32 km) |
| Gresham to Occhiobello | 5,587.12 mi (8,991.60 km) |
| Gresham to Oderzo | 5,558.38 mi (8,945.34 km) |
| Gresham to Oggiono | 5,479.85 mi (8,818.97 km) |
| Gresham to Olbia | 5,769.39 mi (9,284.93 km) |
| Gresham to Oleggio | 5,472.05 mi (8,806.42 km) |
| Gresham to Olgiate Comasco | 5,470.00 mi (8,803.11 km) |
| Gresham to Olgiate Olona | 5,476.60 mi (8,813.73 km) |
| Gresham to Omegna | 5,449.98 mi (8,770.90 km) |
| Gresham to Opera | 5,499.82 mi (8,851.11 km) |
| Gresham to Oppeano | 5,554.73 mi (8,939.47 km) |
| Gresham to Orbassano | 5,477.57 mi (8,815.29 km) |
