| Effingham to Portage (Michigan) | 263.30 mi (423.74 km) |
| Effingham to Portage (Wisconsin) | 309.63 mi (498.30 km) |
| Effingham to Portales (New Mexico) | 887.64 mi (1,428.52 km) |
| Effingham to Porterville (California) | 1,674.23 mi (2,694.42 km) |
| Effingham to Portland (Maine) | 995.87 mi (1,602.70 km) |
| Effingham to Portland (Oregon) | 1,782.74 mi (2,869.04 km) |
| Effingham to Portland (Tennessee) | 206.74 mi (332.71 km) |
| Effingham to Portland (Texas) | 924.81 mi (1,488.34 km) |
| Effingham to Portsmouth (New Hampshire) | 962.33 mi (1,548.72 km) |
| Effingham to Portsmouth (Ohio) | 302.32 mi (486.54 km) |
| Effingham to Portsmouth (Virginia) | 681.97 mi (1,097.52 km) |
| Effingham to Post Falls (Idaho) | 1,532.58 mi (2,466.44 km) |
| Effingham to Potomac (Maryland) | 608.87 mi (979.88 km) |
| Effingham to Potomac Park (California) | 1,684.88 mi (2,711.55 km) |
| Effingham to Pottstown (Pennsylvania) | 690.06 mi (1,110.54 km) |
