| Grain Valley to Portage (Michigan) | 502.36 mi (808.48 km) |
| Grain Valley to Portage (Wisconsin) | 398.19 mi (640.83 km) |
| Grain Valley to Portales (New Mexico) | 607.31 mi (977.37 km) |
| Grain Valley to Porterville (California) | 1,370.93 mi (2,206.29 km) |
| Grain Valley to Portland (Maine) | 1,277.72 mi (2,056.29 km) |
| Grain Valley to Portland (Oregon) | 1,513.03 mi (2,434.99 km) |
| Grain Valley to Portland (Tennessee) | 451.54 mi (726.68 km) |
| Grain Valley to Portland (Texas) | 789.12 mi (1,269.97 km) |
| Grain Valley to Portsmouth (New Hampshire) | 1,247.96 mi (2,008.39 km) |
| Grain Valley to Portsmouth (Ohio) | 605.69 mi (974.76 km) |
| Grain Valley to Portsmouth (Virginia) | 982.85 mi (1,581.75 km) |
| Grain Valley to Post Falls (Idaho) | 1,283.64 mi (2,065.82 km) |
| Grain Valley to Potomac (Maryland) | 912.04 mi (1,467.79 km) |
| Grain Valley to Potomac Park (California) | 1,381.36 mi (2,223.09 km) |
| Grain Valley to Pottstown (Pennsylvania) | 989.66 mi (1,592.70 km) |
