| Casper to Oschatz | 4,989.63 mi (8,030.04 km) |
| Casper to Oschersleben | 4,899.24 mi (7,884.57 km) |
| Casper to Osnabruck | 4,791.02 mi (7,710.40 km) |
| Casper to Ostbevern | 4,796.66 mi (7,719.48 km) |
| Casper to Osterburg | 4,875.71 mi (7,846.69 km) |
| Casper to Ostercappeln | 4,793.31 mi (7,714.09 km) |
| Casper to Osterhofen | 5,120.72 mi (8,241.01 km) |
| Casper to Osterholz-Scharmbeck | 4,768.11 mi (7,673.53 km) |
| Casper to Osternienburg | 4,932.52 mi (7,938.13 km) |
| Casper to Osterode | 4,884.20 mi (7,860.35 km) |
| Casper to Osterwieck | 4,886.09 mi (7,863.40 km) |
| Casper to Ostfildern | 5,002.38 mi (8,050.55 km) |
| Casper to Osthofen | 4,925.17 mi (7,926.29 km) |
| Casper to Ostrhauderfehn | 4,737.87 mi (7,624.86 km) |
| Casper to Ostringen | 4,961.25 mi (7,984.36 km) |
