| Castle Rock to Oststeinbek | 4,945.59 mi (7,959.16 km) |
| Castle Rock to Ottendorf-Okrilla | 5,170.10 mi (8,320.48 km) |
| Castle Rock to Ottersberg | 4,935.07 mi (7,942.22 km) |
| Castle Rock to Ottobrunn | 5,253.63 mi (8,454.90 km) |
| Castle Rock to Ottweiler | 5,042.40 mi (8,114.95 km) |
| Castle Rock to Overath | 4,974.61 mi (8,005.85 km) |
| Castle Rock to Oyten | 4,932.77 mi (7,938.52 km) |
| Castle Rock to Paderborn | 4,986.39 mi (8,024.83 km) |
| Castle Rock to Papenburg | 4,882.00 mi (7,856.82 km) |
| Castle Rock to Parchim | 5,001.73 mi (8,049.51 km) |
| Castle Rock to Pasewalk | 5,061.52 mi (8,145.73 km) |
| Castle Rock to Passau | 5,287.14 mi (8,508.84 km) |
| Castle Rock to Pattensen | 4,992.86 mi (8,035.22 km) |
| Castle Rock to Pegnitz | 5,168.07 mi (8,317.20 km) |
| Castle Rock to Peine | 5,004.87 mi (8,054.56 km) |
