| Mount Holly to Noventa Vicentina | 4,652.54 mi (7,487.53 km) |
| Mount Holly to Novi di Modena | 4,637.84 mi (7,463.88 km) |
| Mount Holly to Novi Ligure | 4,549.84 mi (7,322.26 km) |
| Mount Holly to Nuoro | 4,716.68 mi (7,590.77 km) |
| Mount Holly to Occhiobello | 4,666.34 mi (7,509.75 km) |
| Mount Holly to Oderzo | 4,677.29 mi (7,527.36 km) |
| Mount Holly to Oggiono | 4,542.77 mi (7,310.88 km) |
| Mount Holly to Olbia | 4,704.60 mi (7,571.32 km) |
| Mount Holly to Oleggio | 4,517.39 mi (7,270.03 km) |
| Mount Holly to Olgiate Comasco | 4,526.23 mi (7,284.26 km) |
| Mount Holly to Olgiate Olona | 4,527.21 mi (7,285.84 km) |
| Mount Holly to Omegna | 4,499.14 mi (7,240.67 km) |
| Mount Holly to Opera | 4,549.35 mi (7,321.48 km) |
| Mount Holly to Oppeano | 4,636.95 mi (7,462.46 km) |
| Mount Holly to Orbassano | 4,487.42 mi (7,221.80 km) |
