| Effingham to Oxford (Alabama) | 409.74 mi (659.42 km) |
| Effingham to Oxford (Mississippi) | 333.20 mi (536.23 km) |
| Effingham to Oxford (Ohio) | 205.19 mi (330.23 km) |
| Effingham to Oxnard (California) | 1,722.96 mi (2,772.84 km) |
| Effingham to Oxon Hill (Maryland) | 622.10 mi (1,001.17 km) |
| Effingham to Ozark (Alabama) | 554.56 mi (892.48 km) |
| Effingham to Ozark (Missouri) | 291.67 mi (469.40 km) |
| Effingham to Pace (Florida) | 592.60 mi (953.71 km) |
| Effingham to Pacific Grove (California) | 1,818.30 mi (2,926.28 km) |
| Effingham to Pacifica (California) | 1,830.23 mi (2,945.46 km) |
| Effingham to Paducah (Kentucky) | 141.69 mi (228.03 km) |
| Effingham to Pahrump (Nevada) | 1,508.48 mi (2,427.66 km) |
| Effingham to Painesville (Ohio) | 423.70 mi (681.88 km) |
| Effingham to Palatine (Illinois) | 208.81 mi (336.05 km) |
| Effingham to Palatka (Florida) | 762.40 mi (1,226.96 km) |
