| Gary to Oxford (Alabama) | 558.19 mi (898.32 km) |
| Gary to Oxford (Mississippi) | 513.34 mi (826.14 km) |
| Gary to Oxford (Ohio) | 198.51 mi (319.47 km) |
| Gary to Oxnard (California) | 1,797.89 mi (2,893.42 km) |
| Gary to Oxon Hill (Maryland) | 580.35 mi (933.98 km) |
| Gary to Ozark (Alabama) | 706.87 mi (1,137.60 km) |
| Gary to Ozark (Missouri) | 444.11 mi (714.72 km) |
| Gary to Pace (Florida) | 758.14 mi (1,220.10 km) |
| Gary to Pacific Grove (California) | 1,872.58 mi (3,013.62 km) |
| Gary to Pacifica (California) | 1,877.19 mi (3,021.04 km) |
| Gary to Paducah (Kentucky) | 319.85 mi (514.74 km) |
| Gary to Pahrump (Nevada) | 1,576.54 mi (2,537.20 km) |
| Gary to Painesville (Ohio) | 314.64 mi (506.36 km) |
| Gary to Palatine (Illinois) | 51.09 mi (82.22 km) |
| Gary to Palatka (Florida) | 883.98 mi (1,422.62 km) |
