| Hilo to Noventa Vicentina | 7,869.48 mi (12,664.71 km) |
| Hilo to Novi di Modena | 7,888.08 mi (12,694.63 km) |
| Hilo to Novi Ligure | 7,869.22 mi (12,664.29 km) |
| Hilo to Nuoro | 8,171.29 mi (13,150.43 km) |
| Hilo to Occhiobello | 7,894.31 mi (12,704.66 km) |
| Hilo to Oderzo | 7,846.69 mi (12,628.03 km) |
| Hilo to Oggiono | 7,808.99 mi (12,567.36 km) |
| Hilo to Olbia | 8,134.05 mi (13,090.48 km) |
| Hilo to Oleggio | 7,811.44 mi (12,571.30 km) |
| Hilo to Olgiate Comasco | 7,803.86 mi (12,559.11 km) |
| Hilo to Olgiate Olona | 7,812.67 mi (12,573.29 km) |
| Hilo to Omegna | 7,789.89 mi (12,536.62 km) |
| Hilo to Opera | 7,833.78 mi (12,607.25 km) |
| Hilo to Oppeano | 7,864.26 mi (12,656.30 km) |
| Hilo to Orbassano | 7,834.74 mi (12,608.80 km) |
