| Greendale to Oerlinghausen | 4,217.61 mi (6,787.58 km) |
| Greendale to Oestrich-Winkel | 4,269.65 mi (6,871.34 km) |
| Greendale to Offenburg | 4,327.34 mi (6,964.18 km) |
| Greendale to Oftersheim | 4,315.86 mi (6,945.70 km) |
| Greendale to Ohrdruf | 4,335.60 mi (6,977.47 km) |
| Greendale to Ohringen | 4,356.36 mi (7,010.88 km) |
| Greendale to Olbernhau | 4,433.81 mi (7,135.52 km) |
| Greendale to Olching | 4,464.01 mi (7,184.14 km) |
| Greendale to Oldenburg | 4,156.97 mi (6,690.00 km) |
| Greendale to Oldenburg in Holstein | 4,203.85 mi (6,765.44 km) |
| Greendale to Olfen | 4,181.43 mi (6,729.36 km) |
| Greendale to Olpe | 4,224.28 mi (6,798.32 km) |
| Greendale to Olsberg | 4,234.83 mi (6,815.30 km) |
| Greendale to Oranienburg | 4,344.36 mi (6,991.57 km) |
| Greendale to Ortenberg | 4,294.19 mi (6,910.84 km) |
