| Lombard to Oerlinghausen | 4,270.78 mi (6,873.15 km) |
| Lombard to Oestrich-Winkel | 4,320.91 mi (6,953.83 km) |
| Lombard to Offenburg | 4,377.25 mi (7,044.50 km) |
| Lombard to Oftersheim | 4,366.80 mi (7,027.68 km) |
| Lombard to Ohrdruf | 4,388.55 mi (7,062.70 km) |
| Lombard to Ohringen | 4,407.51 mi (7,093.20 km) |
| Lombard to Olbernhau | 4,487.58 mi (7,222.07 km) |
| Lombard to Olching | 4,515.05 mi (7,266.27 km) |
| Lombard to Oldenburg | 4,210.98 mi (6,776.92 km) |
| Lombard to Oldenburg in Holstein | 4,259.65 mi (6,855.24 km) |
| Lombard to Olfen | 4,233.95 mi (6,813.88 km) |
| Lombard to Olpe | 4,276.36 mi (6,882.13 km) |
| Lombard to Olsberg | 4,287.42 mi (6,899.94 km) |
| Lombard to Oranienburg | 4,399.71 mi (7,080.65 km) |
| Lombard to Ortenberg | 4,346.15 mi (6,994.45 km) |
