| Efkarpia to Portage (Michigan) | 5,180.23 mi (8,336.78 km) |
| Efkarpia to Portage (Wisconsin) | 5,260.80 mi (8,466.44 km) |
| Efkarpia to Portales (New Mexico) | 6,239.36 mi (10,041.28 km) |
| Efkarpia to Porterville (California) | 6,611.70 mi (10,640.50 km) |
| Efkarpia to Portland (Maine) | 4,505.27 mi (7,250.53 km) |
| Efkarpia to Portland (Oregon) | 6,111.60 mi (9,835.66 km) |
| Efkarpia to Portland (Tennessee) | 5,479.31 mi (8,818.10 km) |
| Efkarpia to Portland (Texas) | 6,348.84 mi (10,217.47 km) |
| Efkarpia to Portsmouth (New Hampshire) | 4,550.38 mi (7,323.13 km) |
| Efkarpia to Portsmouth (Ohio) | 5,234.03 mi (8,423.36 km) |
| Efkarpia to Portsmouth (Virginia) | 5,042.01 mi (8,114.33 km) |
| Efkarpia to Post Falls (Idaho) | 5,853.07 mi (9,419.61 km) |
| Efkarpia to Potomac (Maryland) | 4,984.82 mi (8,022.30 km) |
| Efkarpia to Potomac Park (California) | 6,652.62 mi (10,706.35 km) |
| Efkarpia to Pottstown (Pennsylvania) | 4,867.29 mi (7,833.15 km) |
