| Delaware to Oschatz | 4,356.10 mi (7,010.46 km) |
| Delaware to Oschersleben | 4,262.38 mi (6,859.63 km) |
| Delaware to Osnabruck | 4,134.95 mi (6,654.56 km) |
| Delaware to Ostbevern | 4,135.27 mi (6,655.07 km) |
| Delaware to Osterburg | 4,254.55 mi (6,847.03 km) |
| Delaware to Ostercappeln | 4,139.60 mi (6,662.04 km) |
| Delaware to Osterhofen | 4,448.55 mi (7,159.25 km) |
| Delaware to Osterholz-Scharmbeck | 4,132.23 mi (6,650.19 km) |
| Delaware to Osternienburg | 4,298.13 mi (6,917.18 km) |
| Delaware to Osterode | 4,235.46 mi (6,816.31 km) |
| Delaware to Osterwieck | 4,244.47 mi (6,830.82 km) |
| Delaware to Ostfildern | 4,301.10 mi (6,921.95 km) |
| Delaware to Osthofen | 4,231.40 mi (6,809.79 km) |
| Delaware to Ostrhauderfehn | 4,092.08 mi (6,585.56 km) |
| Delaware to Ostringen | 4,263.05 mi (6,860.71 km) |
