| Pike Creek Valley to Octeville | 3,551.85 mi (5,716.14 km) |
| Pike Creek Valley to Oignies | 3,725.31 mi (5,995.31 km) |
| Pike Creek Valley to Oissel | 3,674.00 mi (5,912.72 km) |
| Pike Creek Valley to Olivet | 3,745.76 mi (6,028.21 km) |
| Pike Creek Valley to Ollioules | 4,055.64 mi (6,526.92 km) |
| Pike Creek Valley to Olonne-sur-Mer | 3,619.27 mi (5,824.65 km) |
| Pike Creek Valley to Oloron-Sainte-Marie | 3,760.57 mi (6,052.06 km) |
| Pike Creek Valley to Onet Village | 3,872.59 mi (6,232.33 km) |
| Pike Creek Valley to Onnaing | 3,752.15 mi (6,038.49 km) |
| Pike Creek Valley to Orange | 3,978.39 mi (6,402.60 km) |
| Pike Creek Valley to Orchies | 3,735.45 mi (6,011.63 km) |
| Pike Creek Valley to Orleans | 3,745.11 mi (6,027.17 km) |
| Pike Creek Valley to Orly | 3,743.92 mi (6,025.25 km) |
| Pike Creek Valley to Ormesson-sur-Marne | 3,748.98 mi (6,033.41 km) |
| Pike Creek Valley to Orsay | 3,736.41 mi (6,013.16 km) |
