| Delaware to Orthez | 4,057.67 mi (6,530.19 km) |
| Delaware to Orvault | 3,903.89 mi (6,282.71 km) |
| Delaware to Osny | 4,003.27 mi (6,442.64 km) |
| Delaware to Ostwald | 4,246.76 mi (6,834.50 km) |
| Delaware to Ouistreham | 3,902.11 mi (6,279.84 km) |
| Delaware to Oullins | 4,224.87 mi (6,799.26 km) |
| Delaware to Outreau | 3,935.28 mi (6,333.23 km) |
| Delaware to Oyonnax | 4,241.77 mi (6,826.47 km) |
| Delaware to Ozoir-la-Ferriere | 4,037.03 mi (6,496.97 km) |
| Delaware to Pace | 3,872.00 mi (6,231.38 km) |
| Delaware to Palaiseau | 4,021.32 mi (6,471.68 km) |
| Delaware to Pamiers | 4,175.17 mi (6,719.29 km) |
| Delaware to Panazol | 4,072.70 mi (6,554.38 km) |
| Delaware to Pantin | 4,022.04 mi (6,472.85 km) |
| Delaware to Paray-le-Monial | 4,171.27 mi (6,713.00 km) |
