| Alton to Oxford (Alabama) | 4,247.88 mi (6,836.31 km) |
| Alton to Oxford (Mississippi) | 4,358.99 mi (7,015.12 km) |
| Alton to Oxford (Ohio) | 3,922.55 mi (6,312.73 km) |
| Alton to Oxnard (California) | 5,451.59 mi (8,773.49 km) |
| Alton to Oxon Hill (Maryland) | 3,640.21 mi (5,858.35 km) |
| Alton to Ozark (Alabama) | 4,343.72 mi (6,990.54 km) |
| Alton to Ozark (Missouri) | 4,372.71 mi (7,037.20 km) |
| Alton to Pace (Florida) | 4,447.67 mi (7,157.83 km) |
| Alton to Pacific Grove (California) | 5,398.57 mi (8,688.16 km) |
| Alton to Pacifica (California) | 5,357.94 mi (8,622.77 km) |
| Alton to Paducah (Kentucky) | 4,191.92 mi (6,746.25 km) |
| Alton to Pahrump (Nevada) | 5,233.68 mi (8,422.79 km) |
| Alton to Painesville (Ohio) | 3,683.84 mi (5,928.57 km) |
| Alton to Palatine (Illinois) | 3,931.33 mi (6,326.87 km) |
| Alton to Palatka (Florida) | 4,266.07 mi (6,865.57 km) |
