| Glastonbury to Clarkston (Georgia) | 4,098.98 mi (6,596.67 km) |
| Glastonbury to Clarksville (Indiana) | 3,948.76 mi (6,354.91 km) |
| Glastonbury to Clarksville (Tennessee) | 4,094.38 mi (6,589.27 km) |
| Glastonbury to Clawson (Michigan) | 3,654.60 mi (5,881.51 km) |
| Glastonbury to Clay (Alabama) | 4,202.28 mi (6,762.91 km) |
| Glastonbury to Clayton (California) | 5,269.75 mi (8,480.84 km) |
| Glastonbury to Clayton (Missouri) | 4,114.85 mi (6,622.22 km) |
| Glastonbury to Clayton (North Carolina) | 3,771.06 mi (6,068.93 km) |
| Glastonbury to Clayton (Ohio) | 3,820.15 mi (6,147.93 km) |
| Glastonbury to Clearfield (Utah) | 4,778.87 mi (7,690.85 km) |
| Glastonbury to Clearlake (California) | 5,232.95 mi (8,421.61 km) |
| Glastonbury to Clearwater (Florida) | 4,321.23 mi (6,954.35 km) |
| Glastonbury to Cleburne (Texas) | 4,703.65 mi (7,569.80 km) |
| Glastonbury to Clemmons (North Carolina) | 3,834.64 mi (6,171.26 km) |
| Glastonbury to Clemson (South Carolina) | 3,998.35 mi (6,434.72 km) |
