| Redding to Octeville | 5,242.17 mi (8,436.45 km) |
| Redding to Oignies | 5,332.86 mi (8,582.40 km) |
| Redding to Oissel | 5,338.14 mi (8,590.91 km) |
| Redding to Olivet | 5,440.03 mi (8,754.88 km) |
| Redding to Ollioules | 5,814.52 mi (9,357.56 km) |
| Redding to Olonne-sur-Mer | 5,396.55 mi (8,684.90 km) |
| Redding to Oloron-Sainte-Marie | 5,607.58 mi (9,024.52 km) |
| Redding to Onet Village | 5,647.91 mi (9,089.44 km) |
| Redding to Onnaing | 5,354.04 mi (8,616.50 km) |
| Redding to Orange | 5,728.19 mi (9,218.63 km) |
| Redding to Orchies | 5,339.55 mi (8,593.18 km) |
| Redding to Orleans | 5,438.23 mi (8,751.98 km) |
| Redding to Orly | 5,407.70 mi (8,702.85 km) |
| Redding to Ormesson-sur-Marne | 5,409.68 mi (8,706.04 km) |
| Redding to Orsay | 5,404.16 mi (8,697.15 km) |
