| Riverdale to Portage (Indiana) | 574.53 mi (924.61 km) |
| Riverdale to Portage (Michigan) | 600.14 mi (965.83 km) |
| Riverdale to Portage (Wisconsin) | 741.62 mi (1,193.52 km) |
| Riverdale to Portales (New Mexico) | 1,086.18 mi (1,748.04 km) |
| Riverdale to Porterville (California) | 1,961.33 mi (3,156.45 km) |
| Riverdale to Portland (Maine) | 1,032.11 mi (1,661.02 km) |
| Riverdale to Portland (Oregon) | 2,173.65 mi (3,498.16 km) |
| Riverdale to Portland (Tennessee) | 240.94 mi (387.75 km) |
| Riverdale to Portland (Texas) | 860.47 mi (1,384.79 km) |
| Riverdale to Portsmouth (New Hampshire) | 985.69 mi (1,586.31 km) |
| Riverdale to Portsmouth (Ohio) | 367.78 mi (591.88 km) |
| Riverdale to Portsmouth (Virginia) | 508.00 mi (817.54 km) |
| Riverdale to Post Falls (Idaho) | 1,945.20 mi (3,130.49 km) |
| Riverdale to Potomac (Maryland) | 550.38 mi (885.75 km) |
| Riverdale to Potomac Park (California) | 1,962.42 mi (3,158.21 km) |
