| Hilo to Opwijk | 7,395.03 mi (11,901.15 km) |
| Hilo to Ostend | 7,358.67 mi (11,842.64 km) |
| Hilo to Oud-Heverlee | 7,410.94 mi (11,926.76 km) |
| Hilo to Oud-Turnhout | 7,384.16 mi (11,883.66 km) |
| Hilo to Oudenaarde | 7,393.59 mi (11,898.84 km) |
| Hilo to Oudenburg | 7,362.68 mi (11,849.09 km) |
| Hilo to Oupeye | 7,433.32 mi (11,962.77 km) |
| Hilo to Overijse | 7,412.20 mi (11,928.78 km) |
| Hilo to Overpelt | 7,396.90 mi (11,904.16 km) |
| Hilo to Paal | 7,404.98 mi (11,917.16 km) |
| Hilo to Peer | 7,402.90 mi (11,913.82 km) |
| Hilo to Pepinster | 7,445.04 mi (11,981.64 km) |
| Hilo to Peruwelz | 7,414.83 mi (11,933.02 km) |
| Hilo to Perwez | 7,426.74 mi (11,952.19 km) |
| Hilo to Philippeville | 7,450.29 mi (11,990.09 km) |
