| Palos Heights to Octeville | 3,965.30 mi (6,381.54 km) |
| Palos Heights to Oignies | 4,117.36 mi (6,626.25 km) |
| Palos Heights to Oissel | 4,082.47 mi (6,570.11 km) |
| Palos Heights to Olivet | 4,165.64 mi (6,703.95 km) |
| Palos Heights to Ollioules | 4,502.88 mi (7,246.69 km) |
| Palos Heights to Olonne-sur-Mer | 4,062.22 mi (6,537.51 km) |
| Palos Heights to Oloron-Sainte-Marie | 4,228.67 mi (6,805.39 km) |
| Palos Heights to Onet Village | 4,320.82 mi (6,953.68 km) |
| Palos Heights to Onnaing | 4,143.19 mi (6,667.82 km) |
| Palos Heights to Orange | 4,421.14 mi (7,115.14 km) |
| Palos Heights to Orchies | 4,126.71 mi (6,641.29 km) |
| Palos Heights to Orleans | 4,164.62 mi (6,702.30 km) |
| Palos Heights to Orly | 4,154.17 mi (6,685.50 km) |
| Palos Heights to Ormesson-sur-Marne | 4,158.41 mi (6,692.32 km) |
| Palos Heights to Orsay | 4,147.71 mi (6,675.10 km) |
