| Rosemont to Oerlinghausen | 5,498.04 mi (8,848.23 km) |
| Rosemont to Oestrich-Winkel | 5,587.93 mi (8,992.90 km) |
| Rosemont to Offenburg | 5,669.89 mi (9,124.80 km) |
| Rosemont to Oftersheim | 5,638.34 mi (9,074.02 km) |
| Rosemont to Ohrdruf | 5,614.35 mi (9,035.42 km) |
| Rosemont to Ohringen | 5,672.57 mi (9,129.12 km) |
| Rosemont to Olbernhau | 5,688.75 mi (9,155.16 km) |
| Rosemont to Olching | 5,777.16 mi (9,297.44 km) |
| Rosemont to Oldenburg | 5,422.07 mi (8,725.99 km) |
| Rosemont to Oldenburg in Holstein | 5,424.20 mi (8,729.40 km) |
| Rosemont to Olfen | 5,477.97 mi (8,815.93 km) |
| Rosemont to Olpe | 5,527.98 mi (8,896.43 km) |
| Rosemont to Olsberg | 5,527.03 mi (8,894.89 km) |
| Rosemont to Oranienburg | 5,567.19 mi (8,959.53 km) |
| Rosemont to Ortenberg | 5,596.78 mi (9,007.15 km) |
