| Rietberg to Cloverly (Maryland) | 3,988.80 mi (6,419.35 km) |
| Rietberg to Clovis (California) | 5,560.16 mi (8,948.21 km) |
| Rietberg to Clovis (New Mexico) | 5,191.73 mi (8,355.29 km) |
| Rietberg to Clute (Texas) | 5,209.79 mi (8,384.35 km) |
| Rietberg to Coachella (California) | 5,646.69 mi (9,087.47 km) |
| Rietberg to Coalinga (California) | 5,618.92 mi (9,042.78 km) |
| Rietberg to Coamo (Puerto Rico) | 4,597.91 mi (7,399.62 km) |
| Rietberg to Coatesville (Pennsylvania) | 3,901.45 mi (6,278.78 km) |
| Rietberg to Cockeysville (Maryland) | 3,956.70 mi (6,367.69 km) |
| Rietberg to Cocoa (Florida) | 4,670.39 mi (7,516.27 km) |
| Rietberg to Cocoa Beach (Florida) | 4,667.22 mi (7,511.17 km) |
| Rietberg to Coconut Creek (Florida) | 4,754.89 mi (7,652.25 km) |
| Rietberg to Coeur d'Alene (Idaho) | 4,839.86 mi (7,789.00 km) |
| Rietberg to Cohoes (New York) | 3,691.95 mi (5,941.63 km) |
| Rietberg to Cold Springs (Nevada) | 5,395.97 mi (8,683.98 km) |
