| La Crescenta-Montrose to Octeville | 5,466.30 mi (8,797.16 km) |
| La Crescenta-Montrose to Oignies | 5,578.03 mi (8,976.97 km) |
| La Crescenta-Montrose to Oissel | 5,570.55 mi (8,964.94 km) |
| La Crescenta-Montrose to Olivet | 5,667.60 mi (9,121.12 km) |
| La Crescenta-Montrose to Ollioules | 6,033.90 mi (9,710.63 km) |
| La Crescenta-Montrose to Olonne-sur-Mer | 5,602.83 mi (9,016.88 km) |
| La Crescenta-Montrose to Oloron-Sainte-Marie | 5,799.83 mi (9,333.93 km) |
| La Crescenta-Montrose to Onet Village | 5,859.82 mi (9,430.47 km) |
| La Crescenta-Montrose to Onnaing | 5,600.96 mi (9,013.87 km) |
| La Crescenta-Montrose to Orange | 5,948.16 mi (9,572.64 km) |
| La Crescenta-Montrose to Orchies | 5,585.65 mi (8,989.23 km) |
| La Crescenta-Montrose to Orleans | 5,666.04 mi (9,118.61 km) |
| La Crescenta-Montrose to Orly | 5,641.74 mi (9,079.50 km) |
| La Crescenta-Montrose to Ormesson-sur-Marne | 5,644.49 mi (9,083.92 km) |
| La Crescenta-Montrose to Orsay | 5,637.20 mi (9,072.19 km) |
