| Grinon to River Ridge (Louisiana) | 4,742.14 mi (7,631.73 km) |
| Grinon to Riverbank (California) | 5,742.16 mi (9,241.12 km) |
| Grinon to Riverdale (Georgia) | 4,320.19 mi (6,952.67 km) |
| Grinon to Riverdale (Illinois) | 4,187.45 mi (6,739.05 km) |
| Grinon to Riverside (California) | 5,792.36 mi (9,321.91 km) |
| Grinon to Riverside (Ohio) | 4,089.06 mi (6,580.70 km) |
| Grinon to Riverton (Utah) | 5,262.97 mi (8,469.94 km) |
| Grinon to Riverton (Wyoming) | 5,010.70 mi (8,063.95 km) |
| Grinon to Riverview (Florida) | 4,429.97 mi (7,129.35 km) |
| Grinon to Riverview (Michigan) | 3,968.98 mi (6,387.45 km) |
| Grinon to Riviera Beach (Florida) | 4,356.11 mi (7,010.47 km) |
| Grinon to Riviera Beach (Maryland) | 3,749.21 mi (6,033.76 km) |
| Grinon to Roanoke (Virginia) | 3,974.45 mi (6,396.26 km) |
| Grinon to Roanoke Rapids (North Carolina) | 3,889.43 mi (6,259.44 km) |
| Grinon to Robbinsdale (Minnesota) | 4,318.81 mi (6,950.46 km) |
