| McLean to Octeville | 3,648.28 mi (5,871.35 km) |
| McLean to Oignies | 3,821.45 mi (6,150.03 km) |
| McLean to Oissel | 3,770.39 mi (6,067.85 km) |
| McLean to Olivet | 3,842.28 mi (6,183.56 km) |
| McLean to Ollioules | 4,152.22 mi (6,682.36 km) |
| McLean to Olonne-sur-Mer | 3,715.88 mi (5,980.13 km) |
| McLean to Oloron-Sainte-Marie | 3,856.98 mi (6,207.21 km) |
| McLean to Onet Village | 3,969.18 mi (6,387.77 km) |
| McLean to Onnaing | 3,848.27 mi (6,193.19 km) |
| McLean to Orange | 4,074.99 mi (6,558.07 km) |
| McLean to Orchies | 3,831.58 mi (6,166.33 km) |
| McLean to Orleans | 3,841.63 mi (6,182.51 km) |
| McLean to Orly | 3,840.34 mi (6,180.43 km) |
| McLean to Ormesson-sur-Marne | 3,845.40 mi (6,188.57 km) |
| McLean to Orsay | 3,832.84 mi (6,168.37 km) |
