| Longwood to Oerlinghausen | 4,683.33 mi (7,537.09 km) |
| Longwood to Oestrich-Winkel | 4,699.66 mi (7,563.38 km) |
| Longwood to Offenburg | 4,731.68 mi (7,614.91 km) |
| Longwood to Oftersheim | 4,738.68 mi (7,626.17 km) |
| Longwood to Ohrdruf | 4,793.61 mi (7,714.57 km) |
| Longwood to Ohringen | 4,781.48 mi (7,695.05 km) |
| Longwood to Olbernhau | 4,903.50 mi (7,891.42 km) |
| Longwood to Olching | 4,883.60 mi (7,859.39 km) |
| Longwood to Oldenburg | 4,639.78 mi (7,467.00 km) |
| Longwood to Oldenburg in Holstein | 4,717.72 mi (7,592.43 km) |
| Longwood to Olfen | 4,636.71 mi (7,462.06 km) |
| Longwood to Olpe | 4,670.21 mi (7,515.98 km) |
| Longwood to Olsberg | 4,689.55 mi (7,547.10 km) |
| Longwood to Oranienburg | 4,845.64 mi (7,798.31 km) |
| Longwood to Ortenberg | 4,735.65 mi (7,621.29 km) |
