| Dyer to Oerlinghausen | 4,271.33 mi (6,874.04 km) |
| Dyer to Oestrich-Winkel | 4,320.09 mi (6,952.51 km) |
| Dyer to Offenburg | 4,375.49 mi (7,041.67 km) |
| Dyer to Oftersheim | 4,365.75 mi (7,025.99 km) |
| Dyer to Ohrdruf | 4,388.93 mi (7,063.30 km) |
| Dyer to Ohringen | 4,406.60 mi (7,091.73 km) |
| Dyer to Olbernhau | 4,488.54 mi (7,223.61 km) |
| Dyer to Olching | 4,514.05 mi (7,264.65 km) |
| Dyer to Oldenburg | 4,212.15 mi (6,778.81 km) |
| Dyer to Oldenburg in Holstein | 4,262.15 mi (6,859.27 km) |
| Dyer to Olfen | 4,234.03 mi (6,814.02 km) |
| Dyer to Olpe | 4,276.12 mi (6,881.74 km) |
| Dyer to Olsberg | 4,287.55 mi (6,900.14 km) |
| Dyer to Oranienburg | 4,401.86 mi (7,084.10 km) |
| Dyer to Ortenberg | 4,345.81 mi (6,993.91 km) |
