| Hilo to Nasaud | 7,809.40 mi (12,568.01 km) |
| Hilo to Navodari | 8,007.99 mi (12,887.62 km) |
| Hilo to Negresti-Oas | 7,768.10 mi (12,501.54 km) |
| Hilo to Nehoiu | 7,942.02 mi (12,781.44 km) |
| Hilo to Ocna Mures | 7,870.75 mi (12,666.75 km) |
| Hilo to Odobesti | 7,912.27 mi (12,733.58 km) |
| Hilo to Odorheiu Secuiesc | 7,876.42 mi (12,675.87 km) |
| Hilo to Oltenita | 8,029.02 mi (12,921.46 km) |
| Hilo to Onesti | 7,878.83 mi (12,679.74 km) |
| Hilo to Oradea | 7,820.32 mi (12,585.60 km) |
| Hilo to Orastie | 7,907.26 mi (12,725.51 km) |
| Hilo to Oravita | 7,959.86 mi (12,810.16 km) |
| Hilo to Orsova | 7,983.41 mi (12,848.06 km) |
| Hilo to Otelu Rosu | 7,928.56 mi (12,759.79 km) |
| Hilo to Otopeni | 7,997.76 mi (12,871.15 km) |
