| Grass Valley to Troy (Michigan) | 1,976.46 mi (3,180.81 km) |
| Grass Valley to Troy (Missouri) | 1,605.59 mi (2,583.95 km) |
| Grass Valley to Troy (New York) | 2,450.65 mi (3,943.95 km) |
| Grass Valley to Troy (Ohio) | 1,946.69 mi (3,132.90 km) |
| Grass Valley to Truckee (California) | 47.14 mi (75.87 km) |
| Grass Valley to Trujillo Alto (Puerto Rico) | 3,568.72 mi (5,743.30 km) |
| Grass Valley to Trumbull Center (Connecticut) | 2,496.64 mi (4,017.96 km) |
| Grass Valley to Trussville (Alabama) | 1,942.47 mi (3,126.11 km) |
| Grass Valley to Tualatin (Oregon) | 434.15 mi (698.69 km) |
| Grass Valley to Tuckahoe (Virginia) | 2,333.43 mi (3,755.29 km) |
| Grass Valley to Tucker (Georgia) | 2,064.71 mi (3,322.82 km) |
| Grass Valley to Tucson (Arizona) | 750.46 mi (1,207.75 km) |
| Grass Valley to Tucson Estates (Arizona) | 738.78 mi (1,188.95 km) |
| Grass Valley to Tucson Mountains (Arizona) | 735.95 mi (1,184.39 km) |
| Grass Valley to Tukwila (Washington) | 573.37 mi (922.75 km) |
