| Guaynabo to Octeville | 4,121.84 mi (6,633.46 km) |
| Guaynabo to Oignies | 4,332.17 mi (6,971.95 km) |
| Guaynabo to Oissel | 4,241.86 mi (6,826.62 km) |
| Guaynabo to Olivet | 4,271.47 mi (6,874.27 km) |
| Guaynabo to Ollioules | 4,458.41 mi (7,175.12 km) |
| Guaynabo to Olonne-sur-Mer | 4,092.50 mi (6,586.24 km) |
| Guaynabo to Oloron-Sainte-Marie | 4,133.30 mi (6,651.90 km) |
| Guaynabo to Onet Village | 4,295.42 mi (6,912.81 km) |
| Guaynabo to Onnaing | 4,358.37 mi (7,014.12 km) |
| Guaynabo to Orange | 4,405.04 mi (7,089.23 km) |
| Guaynabo to Orchies | 4,343.19 mi (6,989.69 km) |
| Guaynabo to Orleans | 4,272.02 mi (6,875.14 km) |
| Guaynabo to Orly | 4,297.68 mi (6,916.44 km) |
| Guaynabo to Ormesson-sur-Marne | 4,304.46 mi (6,927.37 km) |
| Guaynabo to Orsay | 4,288.14 mi (6,901.10 km) |
