| Boppard to Oxford (Alabama) | 4,618.77 mi (7,433.20 km) |
| Boppard to Oxford (Mississippi) | 4,725.03 mi (7,604.20 km) |
| Boppard to Oxford (Ohio) | 4,286.51 mi (6,898.48 km) |
| Boppard to Oxnard (California) | 5,761.09 mi (9,271.59 km) |
| Boppard to Oxon Hill (Maryland) | 4,012.88 mi (6,458.10 km) |
| Boppard to Ozark (Alabama) | 4,717.04 mi (7,591.35 km) |
| Boppard to Ozark (Missouri) | 4,729.81 mi (7,611.89 km) |
| Boppard to Pace (Florida) | 4,820.49 mi (7,757.82 km) |
| Boppard to Pacific Grove (California) | 5,695.17 mi (9,165.49 km) |
| Boppard to Pacifica (California) | 5,650.73 mi (9,093.97 km) |
| Boppard to Paducah (Kentucky) | 4,555.09 mi (7,330.71 km) |
| Boppard to Pahrump (Nevada) | 5,547.24 mi (8,927.42 km) |
| Boppard to Painesville (Ohio) | 4,048.04 mi (6,514.69 km) |
| Boppard to Palatine (Illinois) | 4,286.30 mi (6,898.13 km) |
| Boppard to Palatka (Florida) | 4,643.55 mi (7,473.08 km) |
