| Rietberg to Castle Rock (Colorado) | 4,972.39 mi (8,002.29 km) |
| Rietberg to Castro Valley (California) | 5,570.40 mi (8,964.69 km) |
| Rietberg to Catalina Foothills (Arizona) | 5,566.03 mi (8,957.66 km) |
| Rietberg to Cataño (Puerto Rico) | 4,569.59 mi (7,354.04 km) |
| Rietberg to Cathedral City (California) | 5,647.53 mi (9,088.82 km) |
| Rietberg to Catonsville (Maryland) | 3,971.28 mi (6,391.16 km) |
| Rietberg to Cave Spring (Virginia) | 4,196.58 mi (6,753.74 km) |
| Rietberg to Cayce (South Carolina) | 4,399.26 mi (7,079.93 km) |
| Rietberg to Cayey (Puerto Rico) | 4,587.31 mi (7,382.56 km) |
| Rietberg to Cedar City (Utah) | 5,322.15 mi (8,565.18 km) |
| Rietberg to Cedar Falls (Iowa) | 4,392.60 mi (7,069.20 km) |
| Rietberg to Cedar Hill (Texas) | 5,074.85 mi (8,167.18 km) |
| Rietberg to Cedar Lake (Indiana) | 4,272.88 mi (6,876.53 km) |
| Rietberg to Cedar Mill (Oregon) | 5,114.16 mi (8,230.44 km) |
| Rietberg to Cedar Park (Texas) | 5,218.66 mi (8,398.62 km) |
