| Huntington Beach to Oerlinghausen | 5,698.87 mi (9,171.45 km) |
| Huntington Beach to Oestrich-Winkel | 5,779.53 mi (9,301.25 km) |
| Huntington Beach to Offenburg | 5,855.48 mi (9,423.48 km) |
| Huntington Beach to Oftersheim | 5,829.27 mi (9,381.30 km) |
| Huntington Beach to Ohrdruf | 5,816.80 mi (9,361.24 km) |
| Huntington Beach to Ohringen | 5,865.56 mi (9,439.71 km) |
| Huntington Beach to Olbernhau | 5,898.09 mi (9,492.06 km) |
| Huntington Beach to Olching | 5,972.00 mi (9,611.01 km) |
| Huntington Beach to Oldenburg | 5,626.07 mi (9,054.29 km) |
| Huntington Beach to Oldenburg in Holstein | 5,639.33 mi (9,075.63 km) |
| Huntington Beach to Olfen | 5,674.35 mi (9,131.99 km) |
| Huntington Beach to Olpe | 5,722.96 mi (9,210.21 km) |
| Huntington Beach to Olsberg | 5,725.07 mi (9,213.61 km) |
| Huntington Beach to Oranienburg | 5,783.25 mi (9,307.25 km) |
| Huntington Beach to Ortenberg | 5,792.74 mi (9,322.52 km) |
