| Hillcrest Heights to Octeville | 3,643.06 mi (5,862.94 km) |
| Hillcrest Heights to Oignies | 3,816.75 mi (6,142.47 km) |
| Hillcrest Heights to Oissel | 3,765.26 mi (6,059.61 km) |
| Hillcrest Heights to Olivet | 3,836.82 mi (6,174.77 km) |
| Hillcrest Heights to Ollioules | 4,145.91 mi (6,672.20 km) |
| Hillcrest Heights to Olonne-sur-Mer | 3,709.81 mi (5,970.36 km) |
| Hillcrest Heights to Oloron-Sainte-Marie | 3,850.15 mi (6,196.22 km) |
| Hillcrest Heights to Onet Village | 3,962.88 mi (6,377.65 km) |
| Hillcrest Heights to Onnaing | 3,843.59 mi (6,185.66 km) |
| Hillcrest Heights to Orange | 4,068.83 mi (6,548.15 km) |
| Hillcrest Heights to Orchies | 3,826.90 mi (6,158.80 km) |
| Hillcrest Heights to Orleans | 3,836.18 mi (6,173.74 km) |
| Hillcrest Heights to Orly | 3,835.15 mi (6,172.07 km) |
| Hillcrest Heights to Ormesson-sur-Marne | 3,840.23 mi (6,180.25 km) |
| Hillcrest Heights to Orsay | 3,827.62 mi (6,159.96 km) |
