| Janesville to Indianapolis (Indiana) | 250.13 mi (402.55 km) |
| Janesville to Indianola (Iowa) | 250.82 mi (403.65 km) |
| Janesville to Indio (California) | 1,593.06 mi (2,563.78 km) |
| Janesville to Inglewood (California) | 1,689.99 mi (2,719.77 km) |
| Janesville to Inkster (Michigan) | 291.55 mi (469.20 km) |
| Janesville to Inver Grove Heights (Minnesota) | 250.19 mi (402.65 km) |
| Janesville to Inwood (New York) | 799.58 mi (1,286.80 km) |
| Janesville to Iona (Florida) | 1,185.91 mi (1,908.53 km) |
| Janesville to Ionia (Michigan) | 200.68 mi (322.96 km) |
| Janesville to Iowa City (Iowa) | 147.20 mi (236.89 km) |
| Janesville to Irmo (South Carolina) | 727.94 mi (1,171.50 km) |
| Janesville to Irondale (Alabama) | 644.36 mi (1,037.00 km) |
| Janesville to Ironton (Ohio) | 438.84 mi (706.24 km) |
| Janesville to Irvine (California) | 1,671.25 mi (2,689.61 km) |
| Janesville to Irving (Texas) | 805.26 mi (1,295.95 km) |
